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landmarks_to_detection stream utility function.

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PiperOrigin-RevId: 563633314
This commit is contained in:
MediaPipe Team 2023-09-07 21:36:04 -07:00 committed by Copybara-Service
parent 7549677408
commit 886a118232
4 changed files with 96 additions and 0 deletions
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28
mediapipe/framework/api2/stream/BUILD
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@ -2,6 +2,34 @@ package(default_visibility = ["//visibility:public"])
licenses(["notice"])
cc_library(
name = "landmarks_to_detection",
srcs = ["landmarks_to_detection.cc"],
hdrs = ["landmarks_to_detection.h"],
deps = [
"//mediapipe/calculators/util:landmarks_to_detection_calculator",
"//mediapipe/framework/api2:builder",
"//mediapipe/framework/formats:detection_cc_proto",
"//mediapipe/framework/formats:landmark_cc_proto",
],
)
cc_test(
name = "landmarks_to_detection_test",
srcs = ["landmarks_to_detection_test.cc"],
deps = [
":landmarks_to_detection",
"//mediapipe/framework/api2:builder",
"//mediapipe/framework/formats:detection_cc_proto",
"//mediapipe/framework/formats:landmark_cc_proto",
"//mediapipe/framework/port:gtest",
"//mediapipe/framework/port:gtest_main",
"//mediapipe/framework/port:parse_text_proto",
"//mediapipe/framework/port:status",
"//mediapipe/framework/port:status_matchers",
],
)
cc_library(
name = "landmarks_projection",
srcs = ["landmarks_projection.cc"],

17
mediapipe/framework/api2/stream/landmarks_to_detection.cc Normal file
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@ -0,0 +1,17 @@
#include "mediapipe/framework/api2/stream/landmarks_to_detection.h"
#include "mediapipe/framework/api2/builder.h"
#include "mediapipe/framework/formats/detection.pb.h"
#include "mediapipe/framework/formats/landmark.pb.h"
namespace mediapipe::api2::builder {
Stream<mediapipe::Detection> ConvertLandmarksToDetection(
Stream<mediapipe::NormalizedLandmarkList> landmarks, Graph& graph) {
auto& landmarks_to_detection =
graph.AddNode("LandmarksToDetectionCalculator");
landmarks.ConnectTo(landmarks_to_detection.In("NORM_LANDMARKS"));
return landmarks_to_detection.Out("DETECTION").Cast<mediapipe::Detection>();
}
} // namespace mediapipe::api2::builder

16
mediapipe/framework/api2/stream/landmarks_to_detection.h Normal file
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@ -0,0 +1,16 @@
#ifndef MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_TO_DETECTION_H_
#define MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_TO_DETECTION_H_
#include "mediapipe/framework/api2/builder.h"
#include "mediapipe/framework/formats/detection.pb.h"
#include "mediapipe/framework/formats/landmark.pb.h"
namespace mediapipe::api2::builder {
// Updates @graph to convert @landmarks to a detection.
Stream<mediapipe::Detection> ConvertLandmarksToDetection(
Stream<mediapipe::NormalizedLandmarkList> landmarks, Graph& graph);
} // namespace mediapipe::api2::builder
#endif // MEDIAPIPE_FRAMEWORK_API2_STREAM_LANDMARKS_TO_DETECTION_H_

35
mediapipe/framework/api2/stream/landmarks_to_detection_test.cc Normal file
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@ -0,0 +1,35 @@
#include "mediapipe/framework/api2/stream/landmarks_to_detection.h"
#include "mediapipe/framework/api2/builder.h"
#include "mediapipe/framework/formats/detection.pb.h"
#include "mediapipe/framework/formats/landmark.pb.h"
#include "mediapipe/framework/port/gmock.h"
#include "mediapipe/framework/port/gtest.h"
#include "mediapipe/framework/port/parse_text_proto.h"
#include "mediapipe/framework/port/status_matchers.h"
namespace mediapipe::api2::builder {
namespace {
TEST(LandmarksToDetection, VerifyConfig) {
mediapipe::api2::builder::Graph graph;
Stream<NormalizedLandmarkList> landmarks =
graph.In("LANDMARKS").Cast<NormalizedLandmarkList>();
Stream<Detection> detection = ConvertLandmarksToDetection(landmarks, graph);
detection.SetName("detection");
EXPECT_THAT(
graph.GetConfig(),
EqualsProto(mediapipe::ParseTextProtoOrDie<CalculatorGraphConfig>(R"pb(
node {
calculator: "LandmarksToDetectionCalculator"
input_stream: "NORM_LANDMARKS:__stream_0"
output_stream: "DETECTION:detection"
}
input_stream: "LANDMARKS:__stream_0"
)pb")));
}
} // namespace
} // namespace mediapipe::api2::builder